<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
    // 8. 数组的排序
    let arr=[2, 6, 6, 1, 77, 52, 25, 7 ,7];
        for(let i=1;i<arr.length;i++){
            for(let j=1;j<arr.length-i;j++){
                if(arr[j-1] >arr[j]){
                    // 交换数据
                    var temp;
                    temp=arr[j-1];
                    arr[j-1]=arr[j];
                    arr[j]=temp;
                }
            } 
            
        }
        console.log(arr);
    </script>
</body>
</html>
